Finding the Fourth Proportional to 38,111.31, 57,202.06 and 19,404.72

Step by Step Solution

1. Step 1: Write the proportion equation
   38,111.31 : 57,202.06 = 19,404.72 : x
2. Step 2: Convert to fraction form
   38,111.31/57,202.06 = 19,404.72/x
3. Step 3: Cross multiply
   38,111.31x = 57,202.06 × 19,404.72
4. Step 4: Simplify right side
   38,111.31x = 1,109,989,957.72
5. Step 5: Solve for x
   x = 1,109,989,957.72/38,111.31
6. Step 6: Final answer
   x = 29,124.95